| 摘要 |
Disclosed is a proton conductive film for an electrolytic membrane for a fuel cell, the proton conductive film being a composite body comprising a proton conductive polymer and a polymer represented by general formula (1) given below, or a composite body comprising a proton conductive polymer and a copolymer between a polymer represented by general formula (1) and a metal oxide represented by general formula (2) given below: where, X represents a functional group having a nitrogen atom, A represents a substituted or unsubstituted divalent organic group, n is an integer, M is a metal selected from the group consisting of Ti, Zr, Al, B, Mo, W, Ru, Ir, Ge, Si and V, x is 1 or 2, and y is 2, 3, 4 or 5.
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